Posted inunclassified Biology: Ecology 2 Posted by By Agodirin December 21, 2024 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 1 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950 Created by Agodirin Ecology_2 1 / 50 1. ecology66_Which of the following is not a nekton A) whale B) Algae(seed weed) C) Tilapia D) Octopus Algae are classified as plankton, not nekton, as they do not swim actively but instead drift with currents 2 / 50 2. ecology74_Which of the following not estuarine habitat A) Lagoon B) Swamp C) Delta D) Arid land Arid land is characterized by dry conditions and does not represent an estuarine habitat, which is defined by the mixing of fresh and saltwater 3 / 50 3. ecology53_Which of the following is not correct regarding the zones of the marine habitats A) The benthic zone is over the continental slopes B) The benthic zone is from the surface to 500meters C) The lithoral zone is from the surface to 200meters depth D) The lithoral zone is above the continental shelf The benthic zone refers to the lowest ecological zone in a body of water, typically the ocean floor, and does not start at the surface. It extends from the intertidal zone down to the deepest parts of the ocean. The statement about it being from the surface to 500 meters is incorrect. 4 / 50 4. ecology62_Microscopic organisms that float and drift passively or swim are A) drifters B) Nektons C) Planktons D) floaters Plankton refers to organisms that drift in the water column and cannot swim against currents. They include both phytoplankton (producers) and zooplankton (consumers). 5 / 50 5. ecology67_Which of the following are adaptations for marine habitats A) Oil globules for floating B) they have long distinct neeks for swimming C) Muscular body for swimming D) Air bladder for floating Fish and other marine organisms often have adaptations like air bladders that help them maintain buoyancy in the water. 6 / 50 6. ecology55_The shores or Nigeria waters are not rich in marine life because they are A) Rocky B) Benthic C) Oceanic D) Sandy Sandy shores typically have less marine biodiversity compared to rocky shores, which provide more habitat complexity. Sandy substrates can be less stable and provide fewer niches for marine organisms 7 / 50 7. ecology65_Actively swimming marine organisms are A) floaters B) drifters C) Planktons D) Nektons Nekton refers to larger marine organisms that can swim freely and actively against currents, such as fish and whales. 8 / 50 8. ecology98_Which of the following is not characteristics of animals in the tropical rainforest A) The arboreal animals are larger than the ground dwellers B) The organism in the ground are mainly decomposers C) The ground-dweller animals have better devoped sense of hearing than sight D) There are abundant flying lizards with well developed sense of sight Generally, ground-dwelling animals in tropical rainforests may be larger than arboreal animals, which are often smaller and adapted for climbing. This statement is misleading. 9 / 50 9. ecology76_which of the following is the order of food chain in estuarine habitat A) detritus, fish, worm, birds B) detritus, worm, fish, bird C) worm, fish, detritus, bird D) fish, detritus, worm, birds In estuarine habitats, the food chain starts with organic detritus, which is consumed by worms (detritivores), followed by fish and then birds. 10 / 50 10. ecology58_The arangement of organisms in regions based on their tolerance to abiotic factors in their habitat is called A) Caste B) Distribution C) Accomodation D) Zonation Zonation refers to the spatial arrangement of different organisms in an ecosystem based on their tolerance to environmental factors such as light, temperature, and salinity. 11 / 50 11. ecology92_The characteristics of trees in the tropical rainforest except A) Tall stems B) presence of epiphytes C) Trees with fissured bark D) branches near the top While many trees in tropical rainforests have smooth bark to prevent water loss and support growth, fissured bark is not a common characteristic. The other options (tall stems, branches near the top, presence of epiphytes) are typical of tropical rainforest trees. 12 / 50 12. ecology72_When sea water and freshwater meet we have A) lithoral zone B) Salty waterr C) Brackish water D) Swampy water Brackish water is a mixture of freshwater and seawater, typically found in estuaries. The other options do not specifically describe this mixture. 13 / 50 13. ecology96_A zoologist visiting an habitat noticed the forrest was dark with moist ground. There was a tall canopy obscuring sunlight and there were abundant arboreal animals. Which of the following is the likely habitat A) Mangrove B) Savannah grassland C) Tropical rainforest D) Aridland The description of a dark forest floor, a tall canopy, and abundant arboreal animals strongly indicates a tropical rainforest habitat. 14 / 50 14. ecology69_What is the function of the light organ in deep sea fish A) for vision B) for navigation C) for attracking prey D) for escaping predator The light organs in deep-sea fish are often used to attract prey in the dark ocean depths, aiding in their hunting strategy. 15 / 50 15. ecology54_Which of the following is not a subzone of the lithoral zone A) Tidal zone B) Splash zone C) Transtidal D) Intertidal The subzones of the littoral (or intertidal) zone typically include the intertidal, splash zone, and tidal zone. "Transtidal" is not commonly recognized as a specific subzone. 16 / 50 16. ecology87_Which of the following are the most important factors influencing the vegetations of terrestrial habitat A) Current and Temperature B) salinity and PH C) Temperature and rainfall D) Humidity and Tide Temperature and rainfall are the key climatic factors that determine the types of vegetation that can thrive in terrestrial habitats. 17 / 50 17. ecology99_Which of the following is not correct about adaptation of arboreal animals of the tropical rainforest A) long arms and claws B) Long prehensive tails C) Large body build D) Adhesive pads on the hands Arboreal animals are typically smaller and more agile to navigate the trees. A large body build would be a disadvantage for climbing and moving through branches. 18 / 50 18. ecology56_The rich marine life habitats are found in A) Sandy shores B) Rocky shores C) Benthic shores D) Neritic shores Rocky shores are often rich in biodiversity because they provide numerous habitats and niches for various marine organisms. They support a variety of species compared to sandy shores. 19 / 50 19. ecology75_which of the following is the order of food chain in marine life A) phytoplankton,zooplankton,primary consumer, secondary consumer B) zooplankton, primary consumer, phytoplankton, secondary consumer C) phytoplankton, zooplankton, secondary consumer, primary consumer D) zooplankton, phytoplankton, primary consumer, secondary consumer This is the correct sequence in the marine food chain, where phytoplankton serve as primary producers, followed by zooplankton as primary consumers, and so forth. 20 / 50 20. ecology78_Which of the following is not correct about freshwater A) the stream is stagnant fresh water B) the consumers and producers are at the surface C) the biotic communities are distributed in zonations D) there are two types: lake and stream Streams are typically flowing bodies of water, not stagnant. The other statements accurately describe characteristics of freshwater ecosystems. 21 / 50 21. ecology61_What of the following is not a characteristics of organism that live in the benthic zone A) they feed on dead organisms B) They live under pressure C) they require warm habitat D) they thrive on minimal oxygen Many benthic organisms are adapted to cold, deep-sea environments, where temperatures are low. They do not typically require warm habitats. 22 / 50 22. ecology85_Which of the following is not true about marshes and swamps A) Swamps and marshes are found near coastal regions B) The dominant vegetation in swamp are trees C) the dominant vegetation in marshes are grasses D) the water is often clean and clear Marshes and swamps typically have murky water due to high organic content and decomposition, not clean and clear water. 23 / 50 23. ecology88_Which of the following is not an adaptation for terrestrial habitat A) ability to float B) ability to conserve water C) Temperature control D) Locomotor mechanism Floating is not an adaptation for terrestrial environments; it is more relevant to aquatic habitats. The other options describe adaptations for survival on land. 24 / 50 24. ecology90_Which of the following is not tropical rain forest Habitat in Nigeria A) Anambra B) Oyo C) Kano D) Akwa Ibom Kano is primarily in a drier region and does not have tropical rainforest habitat. Akwa Ibom, Anambra, and Oyo have significant rainforest areas 25 / 50 25. ecology97_Epiphytes are ___Plants A) arboreal B) lithoral plants C) Predator D) carnivorous Epiphytes are plants that grow on other plants, typically trees, without harming them. They are considered arboreal because they live in the canopy of forests, using the trees for support. 26 / 50 26. ecology73_Which of the following does not affect the salinity of brackish water A) ocean tides B) water depth C) Wet season D) Dry season Salinity in brackish water is primarily influenced by factors such as rainfall (wet/dry seasons) and ocean tides, rather than water depth. 27 / 50 27. ecology94_Which of the following is not a characteristic of tropical rainforest A) The undergrowth is thin and consist of moisture and shade loving plants B) The branches of the trees are high up, near the top so that they can get good sunlight C) The temperature is very high and the humidity is low D) The forest floors is dark due to the upper canopy Tropical rainforests are characterized by high temperatures and high humidity. The statement is incorrect because low humidity does not describe tropical rainforests accurately. 28 / 50 28. ecology80_When standing freshwaters(lakes) dry up, the organisms survive by means of the following except A) burrowing B) increase procreation C) moulting D) laying heat resistant eggs While some organisms may reproduce under stress conditions, the primary survival strategies include laying heat-resistant eggs or burrowing, rather than increasing procreation. 29 / 50 29. ecology86_The accumulation of partially decomposed organic plant matter, with low oxygen and nutrients found in swampls and marshes is A) Planktons B) Nektons C) Peat D) Ash Peat is the accumulative organic material found in wetlands, formed from decayed plant matter in anaerobic (low oxygen) conditions. 30 / 50 30. ecology82_Which of the following is a zooplankton A) diatoms B) protozoa C) spyrogyra D) chlamydomonas Protozoa are microscopic animals that are classified as zooplankton. The other options are primarily photosynthetic organisms. 31 / 50 31. ecology52_Which of the following is not terrestrial habitat A) Marshes B) Estuarine C) Swamp D) Arid land Estuarine habitats are characterized by the mixing of freshwater and saltwater, making them aquatic environments. In contrast, arid land, marshes, and swamps are all terrestrial habitats. 32 / 50 32. ecology93_Which of the following is not found in tropical rainforest A) monkeys B) Antelopes C) elephants D) camel Camels are adapted to arid desert environments and are not found in tropical rainforests. The other animals listed (elephants, monkeys, antelopes) are commonly found in such habitats. 33 / 50 33. ecology91_Which of the following is not correct about characteristic of the 5 stata or layers of the tropical rainforest A) The upper layer forming continuous canopy B) The lower layer is made up of dwarf trees C) The forest ground is make of shrubs D) The emergent layer is just beneath the canopy layer The emergent layer is actually above the canopy layer, consisting of the tallest trees that rise above the main canopy. The other descriptions are accurate for the rainforest structure. 34 / 50 34. ecology68_Which of the following supports the marine food chain A) diatoms B) Octopus C) whales D) squid Diatoms are a type of phytoplankton and primary producers that form the base of the marine food chain, supporting various marine life 35 / 50 35. ecology59_The zone of marine habitat richs with producers and consumers is the A) Oceanic zone B) subtidal zone C) Splash zone D) benthic zone The subtidal zone, located just below the intertidal zone, is rich in both producers (like algae) and consumers (like fish), supporting diverse marine life. 36 / 50 36. ecology95_Which of the following is not correct about the floor or lower layer of the tropical rainforest A) Decomposers and nonvascular plants like mosses and lichens are abundant B) The forest floor is moist and covered with litter/fallen leaves C) There is high humidity towards the floor D) The undergrowth is thick due to good sunlight to the floor The forest floor of tropical rainforests is often dark and has limited sunlight, resulting in a thin undergrowth. Therefore, this statement is incorrect. 37 / 50 37. ecology100_Which of the following is not an arboreal animal A) Flying lizard B) flying squirrel C) Guinea fowl D) Cameleon Guinea fowl are ground-dwelling birds and are not adapted for life in the trees. The other options (flying squirrel, flying lizard, chameleon) are all capable of living in trees. 38 / 50 38. ecology57_Which of the following types of marine habitat shores has more birds A) Muddy shores B) Rocky shores C) Oceanic Shores D) Sandy shore Muddy shores are often rich in nutrients and invertebrates, attracting more birds that feed on these organisms. Sandy shores may also attract birds, but muddy shores typically have higher bird diversity 39 / 50 39. ecology64_Which of the following are adaptation of planktons for floating A) streamline body and long leg B) long legs and hair C) Oil globules and air sacs D) short neck and long neck Plankton often have adaptations like oil globules or gas-filled sacs that help them remain buoyant in the water column 40 / 50 40. ecology71_Which of the following is the body of water where tides flows into A) Benthic B) Intertidal C) Lithoral zone D) estuarine Estuarine areas are where freshwater from rivers meets ocean water, leading to tidal flows. The other options refer to zones or areas that do not specifically denote where tides enter. 41 / 50 41. ecology77_Which of the followign is the largest source of marine food for humans A) Swampy water B) freshwater C) marshes D) benthic waters This appears to be a mistake in the options. The largest source of marine food for humans typically comes from various marine environments, but the correct answer in context is unclear. "Freshwater" is not normally the largest source of marine food. 42 / 50 42. ecology70_What is the function of the light organ in deep sea fish A) for balancing B) for escaping predators C) for attracking mate or prey D) for navigation or vision Light organs can serve multiple purposes, including attracting mates and prey, helping deep-sea fish communicate and feed in their dark environment. 43 / 50 43. ecology63_Which of the following is a producer plankton A) Crab B) Protozoa C) Algae D) Amoeba Algae are a type of phytoplankton that perform photosynthesis, making them primary producers in aquatic ecosystems. 44 / 50 44. ecology89_Which of the following region of Nigeria has tropical rainforest A) Kaduna B) Lagos C) Kwara D) Bauchi Lagos is located in a region of Nigeria that features tropical rainforest. Other regions like Kaduna and Bauchi are more arid or savanna. 45 / 50 45. ecology83_Which of the following is used by aquatic animals for preventing being washed away A) air sac B) clingers C) mucus or slime production D) Jumping up rapids Many aquatic animals produce mucus or slime to help them cling to surfaces and avoid being swept away by currents. 46 / 50 46. ecology84_`Which of the following is the food chain in freshwater A) spirogyra, tadpole, fish, sealion, kingfisher B) tadpole, spirogyra, fish, kingfisher, sealion C) spirogyra, tadpole, fish, kingfisher, sealion D) fish, tadpole, spirogyra, sealion, kingfisher This sequence accurately represents a food chain where spirogyra (a type of algae) is consumed by tadpoles, which are then eaten by fish, followed by kingfishers and sealions. 47 / 50 47. ecology51_Which of the followign is not aquatic habitat A) Marine B) Estuarine C) Marshes D) Wetlands 48 / 50 48. ecology81_Which of the following is not a photosynthetic or phytoplankton A) cyclop B) diatom C) spyrogyra D) chlamydomonas Cyclops (cyclopoid copepods) are zooplankton, not phytoplankton. The other options (diatom, spyrogyra, chlamydomonas) are types of phytoplankton. 49 / 50 49. ecology60_Which of the following zones is least favorable for marine life existence A) Rocky shores B) splash zone C) subtidal zone D) Benthic zone While the benthic zone can support life, it is often less favorable due to high pressure, low light, and sometimes low oxygen levels, especially in deeper areas. 50 / 50 50. ecology79_Which of the following does not affect the zonation or distribution of organisms in freshwaters A) Tidal waves B) Temperature C) Turbidity D) oxygen concentration Tidal waves primarily affect marine environments rather than freshwater habitats. The other factors (oxygen concentration, temperature, turbidity) significantly influence zonation in freshwater ecosystems. 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